agent: A factor, such as a microorganism, chemical substance, or form of radiation, whose presence, excessive presence, or (in deficiency diseases) relative absence is essential for the occurrence of a disease. age-specific mortality rate: A mortality rate limited to a particular age group. The numerator is the number of deaths in that age group; the denominator is the number of persons in that age group in the population.
Sleeping Pills and Memory Loss. Elderly people have more trouble sleeping than younger folks. Some causes include waking to urinate, pain due to arthritis or other inflammations and lack of exercise. Sleeping pills can help, but they have a dark side. They can cause memory loss.
October 03, 1991|WILLIAM TUOHY and MARLENE CIMONS | TIMES STAFF WRITERS. LONDON â The British government on Wednesday banned the drug Halcion, the world's most widely prescribed sleeping pill. Halcion, and other medicines containing triazolam, have been associated with psychological side effects, particularly memory loss and depression, an announcement from the Department of Health said.